Refillable Carbon Filter Kit, with Charcoal Refill, 8-Inch

Reusable carbon filter features a patented design that eliminates the need to replace entire filters.
Includes 1+ refill to match the filtration capacity of two standard 8” carbon filters while costing less.
Removable twist-off flanges support easy, tool-free refilling using the included funnel and scoop.
Larger chamber is lab-tested to block odors as effectively as standard filters with no compression required.
Dual-layered steel mesh with protective coating withstands high humidity in grow tents through many grow cycles.